2ADV7AWX6070BBody Worn Microphone

SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 5.0 H&F TECHNOLOGIES, IN CORPORATED 650 FLINN AVENUE MOORPARK,CA 93021 USA 2015-1-15 To: SIEMIC, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Product Certification Representative Authorization Letter We, hereby authorize SIEMIC, Inc. to act as a Certification Body for certifying for the following project(s): Product description： Wireless Transmitter model name ： AWX6070B FCC ID: 2ADV7AWX6070B Sincerely, Client’s signature : Client’s name / title : Manager Contact information / address: 650 FLINN AVENUE MOORPARK,CA 93021 USA

SCS-F19: Confidentiality Request Letter Page 1 of 2 Rev 3.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Confidentiality Request Letter Revision History Reason for Amendment (current / obsolete) From To Approved Date Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (current) 2.0 3.0 Jan-31-2012 SCS-F19: Confidentiality Request Letter Page 2 of 2 Rev 3.0 H&F TECHNOLOGIES,IN CORPORATED 650 FLINN AVENUE MOORPARK, CA 93021 USA (Current Date) 2015-1-15 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: 2ADV7AWX6070B We hereby request confidential treatment of information accompanying this application as outlined below: - Block Diagram - Schematics - Operational Description - BOM - Tune up The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 & 0.459 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Client’s signature : Manager Client’s name / title : Contact information / address: 650 FLINN AVENUE MOORPARK,CA 93021 USA

AWX6070B

LABEL LOCATION：AWX6070B

FCC ID Label Sample FCC ID : 2ADV7AWX6070B 15.19 Labelling requirements. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Guangdong Huesent Testing & Inspection Technology Co., Ltd. Total 8 pages Lab: Guangdong Huesent Testing & Inspection Technology Co., Ltd Add: No. 91, Dongguanzhuang Road, Guangzhou, Guangdong, China. Http://www.hst.org.cn E-mail:[email protected] Tel: +86-20-28263230 Fax: +86-20-28263237 TEST REPORT Report No. : HST201412-4609-SAR Product description: Wireless Transmitter Model/Type : AWX6070B Applicant’s name: H&F TECHNOLOGIES,IN CORPORATED TRF No. / RF Exposure Evaluation REPORT FCCID: 2ADV7AWX6070B Report Reference No. ..............: HST201412-4609-SAR Tested by (+ signature) ................: Yanbin Xing Review by (+ signature) ..............: Sandy Yu Approved by (+ signature) ............ Robin Peng Date of issue .............................. : Jan. 10, 2015 Total number of pages ............... : 8 Pages Testing Laboratory.................: Guangdong Environment Radiation Monitoring Center. (Accredited by CNAS, Accredited Number: L5539) FCC- Registration No: 667318 on on Sep. 29, 2009 Address ...................................... : No.91, Dongguanzhuang Road, Guangzhou City, Guangdong Province, China Applicant’s name .....................: H&F TECHNOLOGIES,IN CORPORATED Address ...................................... : 650 FLINN AVENUE MOORPARK,CA 93021 USA Manufacturer’s name ...............: Enping Karsect Electronics Co., Ltd Address ...................................... : No. F45-1, District F, Foreign and Private Capital Industrial Zone, Enping, Guangdong, China Test specification..................: Entrusted testing Standard..................................... : FCC Part 1.1307, 2.1091, and 2.1093: 2014 Non-standard test method.........: N/A Test Report Form No. ..............: N/A Test Report Form(s) Originator .. : N/A Test item description ................: Wireless Transmitter Trade Mark ................................. : Audio 2000's Model/Type reference ................ : AWX6070B Ratings ....................................... : 3.0Vdc 2*AA Batteries Page 2 of 8 Report No. : HST201412-4609-SAR TRF No. / TABLE OF CONTENT 1 Test Summary .................................................................................................................................. 3 2 General Information.......................................................................................................................... 4 2.1 Client Information .............................................................................................................4 2.2 General Description of E.U.T. .......................................................................................... 4 2.3 Details of E.U.T. ...............................................................................................................4 2.4 Description of Support Units............................................................................................. 4 2.5 Standards Applicable for Testing ..................................................................................... 4 2.6 Test Location .................................................................................................................... 5 2.7 Deviation from Standards ................................................................................................. 5 2.8 Abnormalities from Standard Conditions.......................................................................... 5 3 RF Exposure Evaluation .................................................................................................................. 6 4 Equipments Used during Test.......................................................................................................... 8 Page 3 of 8 Report No. : HST201412-4609-SAR TRF No. / 1 TEST SUMMARY Test Test Requirement Standard Paragraph Result Carrier Radiated Power FCC Part 2.1046 74.861 e) 1) 54–72, 76–88 & 174–216 MHz bands, 50 mW 470–608 and 614–806 MHz bands, 250 mW PASS* RF Exposure Evaluation FCC Part 1.1307, 2.1091, and 2.1093 447498 D01 General RF Exposure Guidance v05r02 PASS Remark: ♣The EUT has one channel, which is located in the range 614.200 MHz to 697.800MHz. Only test result of sample of in channels 614.2 MHz, 696.1 MHz and 697.8 MHz were recorded in this report. Page 4 of 8 Report No. : HST201412-4609-SAR TRF No. / 2 GENERAL INFORMATION 2.1 Client Information Applicant: H&F TECHNOLOGIES,IN CORPORATED Address of Applicant: 650 FLINN AVENUE MOORPARK,CA 93021 USA 2.2 General Description of E.U.T. EUT Name: Wireless Transmitter Item No.: Listed on the 3 rd page Serial No.: Not supplied by client 2.3 Details of E.U.T. Power Supply: 3.0Vdc 2*AA Batteries Main Function: Wireless microphone system with an associated receiver for transmitting voice. Transmitting Power: Low 614.2MHz: 11.0dBm(i.e.12.59 mW) ±1.0 dBm Mid. 696.1MHz: 10.8dBm(i.e.12.02 mW) ±1.0 dBm High 697.8MHz: 10.8dBm(i.e 12.02 mW) ±1.0 dBm The final amplifier Collector Voltage and Collector Current are 0.3V & 3.5mA respectively. Necessary Bandwidth: 2M+2DK= 2 x 40 kHz + 2 x 20kHz x 1.0 = 120 kHz 16 channels for each microphone; Modulation: F3E; Antenna Type: Fixed; Gained: 0 dBi 2.4 Description of Support Units Connect the EUT to mains power, and then test the EUT with signal generator. 2.5 Standards Applicable for Testing The standard used was FCC Part 1.1307, 2.1091, and 2.1093: 2014 The EUT belongs to licensed low power auxiliary devices. Page 5 of 8 Report No. : HST201412-4609-SAR TRF No. / 2.6 Test Location ERP & Spurious Emission tests were subcontracted to the laboratory following- Guangdong Environment Radiation Monitoring Center. 860, South Guangzhou Avenue, Guangzhou, P.R. China Tel: 86-20-84281721 Fax: N/A Email: [email protected] FCC- Registration No: 667318 on on Sep. 29, 2009 CNAS- Accreditation No: L5539. 2.7 Deviation from Standards None. 2.8 Abnormalities from Standard Conditions None. Page 6 of 8 Report No. : HST201412-4609-SAR TRF No. / 3 RF EXPOSURE EVALUATION Test Requirement: FCC CFR 47 RF Exposure Eva…

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Guangdong Huesent Testing & Inspection Technology Co., Ltd. Total 28 pages Lab: Guangdong Huesent Testing & Inspection Technology Co., Ltd Add: No. 91, Dongguanzhuang Road, Guangzhou, Guangdong, China. Http://www.hst.org.cn E-mail:[email protected] Tel: +86-20-28263230 Fax: +86-20-28263237 TEST REPORT Report No. : HST201412-4609-FCC Product description: Wireless Transmitter Model/Type : AWX6070B Applicant’s name: H&F TECHNOLOGIES,IN CORPORATED TRF No. / TEST REPORT FCC Part 74.861e: 2014 FCCID: 2ADV7AWX6070B Report Reference No. ..............: HST201412-4609-FCC Tested by (+ signature)................: Yanbin Xing Review by (+ signature) ..............: Sandy Yu Approved by (+ signature) ............ Robin Peng Date of issue .............................. : Jan. 10, 2015 Total number of pages ............... : 28 Pages Testing Laboratory.................: Guangdong Environment Radiation Monitoring Center. (Accredited by CNAS, Accredited Number: L5539) FCC- Registration No: 667318 on on Sep. 29, 2009 Address ...................................... : No.91, Dongguanzhuang Road, Guangzhou City, Guangdong Province, China Applicant’s name .....................: H&F TECHNOLOGIES,IN CORPORATED Address ...................................... : 650 FLINN AVENUE MOORPARK,CA 93021 USA Manufacturer’s name ...............: Enping Karsect Electronics Co., Ltd Address ...................................... : No. F45-1, District F, Foreign and Private Capital Industrial Zone, Enping, Guangdong, China Test specification..................: Entrusted testing Standard..................................... : FCC Part 74.861e: 2014 Non-standard test method.........: N/A Test Report Form No. ..............: N/A Test Report Form(s) Originator .. : N/A Test item description ................: Wireless Transmitter Trade Mark ................................. : Audio 2000's Model/Type reference ................ : AWX6070B Ratings ....................................... : 3.0Vdc 2*AA Batteries Page 2 of 29 Report No. : HST201412-4609-FCC TRF No. / TABLE OF CONTENT TEST REPORT ......................................................................................................................... 1 1 Test Summary .................................................................................................................................. 3 2 General Information.......................................................................................................................... 4 2.1 Client Information .............................................................................................................4 2.2 General Description of E.U.T. .......................................................................................... 4 2.3 Details of E.U.T. ...............................................................................................................4 2.4 Description of Support Units............................................................................................. 4 2.5 Standards Applicable for Testing ..................................................................................... 4 2.6 Test Location .................................................................................................................... 5 2.7 Deviation from Standards ................................................................................................. 5 2.8 Abnormalities from Standard Conditions.......................................................................... 5 3 Test Results ..................................................................................................................................... 6 3.1 E.U.T. Operation Condition .............................................................................................. 6 3.2 Test Procedure & Measurement Data.............................................................................. 7 3.2.1 Carrier Radiated Power & Radiated Spurious Emissions......................................... 7 3.2.2 Occupied Bandwidth ............................................................................................... 10 3.2.3 Frequency Stability.................................................................................................. 13 3.2.4 Modulation Characteristics...................................................................................... 15 3.2.5 Photographs ............................................................................................................ 18 3.2.6 EUT Constructional Details ..................................................................................... 20 3.2.7 Antenna Photo ........................................................................................................ 27 4 Equipments Used during Test........................................................................................................ 28 Page 3 of 29 Report No. : HST201412-4609-FCC TRF No. / 1 TEST SUMMARY Test Test Requirement Standard Paragraph Result Carrier Radiated Power FCC Part 2.1046 74.861 e) 1) 54–72, 76–88 & 174–216 MHz bands, 50 mW 470–608 and 614–806 MHz bands, 250 mW PASS Modulation Deviation FCC Part 2.1047 74.861 e) 3) Within 75kHz PASS Frequency Stability FCC Part 2.1055 74.861 e) 4) <0.005% 50 ppm PASS Operating Bandwidth FCC Part 2.1049 c) 74.861 e) 5) Within 200kHz PASS Unwanted Radiation FCC Part 2.1049 c) 74.861 e) 6) within the mask PASS Radiated Spurious Emission FCC Part 2.1053 74.861 d) 3) < 43+10lgP(W) dB PASS Remark: ♣The EUT has one channel, which is located in the range 614.200 MHz to 697.800MHz. Only test result of sample of in channels 614.2 MHz, 696.1 MHz and 697.8 MHz were recorded in this report. Page 4 of 29 Report No. : HST201412-4609-FCC TRF No. / 2 GENERAL INFORMATION 2.1 Client Information Applicant: H&F TECHNOLOGIES,IN CORPORATED Address of Applicant: 650 FLINN AVENUE MOORPARK,CA 93021 USA 2.2 General Description of E.U.T. EUT Name: Wireless Transmitter Ite…

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1.1.1 Photographs Radiated Emission Test Setup 30MHz - 1GHz Above 1GHz